package com.discuss.community.util;

import com.alibaba.fastjson.JSONObject;
import org.apache.commons.lang3.StringUtils;
import org.springframework.util.DigestUtils;


import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.UUID;

public class CommunityUtil {

    // 生成随机字符串
    public static String generateUUID() {
        return UUID.randomUUID().toString().replaceAll("-","");
    }

    // md5加密
    public static String md5(String key) {
        if(StringUtils.isBlank(key)) {
            return null;
        }
        return DigestUtils.md5DigestAsHex(key.getBytes(StandardCharsets.UTF_8));
    }

    // 获取JSON字符串
    public static String getJsonString(int code, String msg, Map<String,Object> map) {
        final JSONObject jsonObject = new JSONObject();
        jsonObject.put("code",code);
        jsonObject.put("msg",msg);
        if(map != null) {
            for (String key : map.keySet()) {
                jsonObject.put(key,map.get(key));
            }
        }
        return jsonObject.toJSONString();
    }

    public static String getJsonString(int code, String msg) {
        return getJsonString(code, msg,null);
    }

    public static String getJsonString(int code) {
        return getJsonString(code, null,null);
    }

}
